Possible stupid speedo question

[Dudeofrude]

[quote author=Dudeofrude link=topic=23856.msg276511#msg276511 date=1520543581]
One way to test it would be to download a speed app on your phone, activate it, put the phone in your pocket then go for a ride. Get to 30mph then pull over and check the speed on the app to see if its close

The app I use

https://play.google.com/store/apps/detai...id.digihud

:fish  lets have another read of the OP shall we.
[/quote]


Haha oops ? I thought he was just taking it for an MOT and wanted to make sure it was right.